JSC2002-E-03300 (28 January 2002) --- Soyuz 4 Flight Participant Mark Shuttleworth (white shirt), a South African businessman flying to the International Space Station (ISS) under a private commercial agreement with the Russian Aviation and Space Agency (Rosaviakosmos), listens to briefing in the Johnson Space Center's Mission Control Center (MCC). The Soyuz 4 prime and backup crews have toured several other JSC facilities this week, with yet others scheduled. The prime crew members will launch in late April from the Baikonur Cosmodrome, Kazakhstan, to deliver a fresh Soyuz spacecraft to the station for use as a lifeboat. After spending about a week aboard the outpost, they will return to Earth aboard the Soyuz spacecraft now attached to the station.